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A student working in the laboratory produces 6.81 grams of calcium oxide, CaO, from 20.7 grams of calciumcarbonate, CaCO3, according to the reaction CaCO3 CaO + CO2. Calculate the theoretical yield andthe percent yield for the reaction. Show and/or explain your work. Which compound has the greatest molecular mass? CO2H2OPb2NH4 You are comparing the density of sea water to the density of fresh water. (Remember,density is mass divided by volume.) Describe how you could determine the density ofsea water, including the names of the equipment needed to make the requiredmeasurements. HELP I HAVE 20 MINS LEFT HHHHHHHH#EEEEEEEEEEEEEELLLLLLLLLPPPPPP which of the following dotted notes receives 1 1/2 beats? An amoeba ingests large food particles by PROMPT: Write an essay explaining why leaders must be careful with the power they are given. Reread Lines 25-33. Identify the simile Torrence uses. What is the effect of the comparison? Describe Grandpas actions as he told his scary story. Why did he spit into the fire? What was the result? what the first part of the essay (lines 1-33) reveal about storytelling in a society. ANO ANG Sukat NGAWITING "SAMPUNG MGA DALIRI? I'm lost...... can someone help me?The next question refers to the following passage. The sentences have been numbered to help you identify them more easily.(1) As she was driving to visit her twin, Jayla had a strange feeling that something bad was going to happen.(2) Meanwhile, Kayla had the same exact premonition.(3) Worried about her sister, Kayla called Jayla's cell phone.(4) Because she took her eyes off the road to answer the phone call, Jayla lost control of her car and crashed through the front of Kayla's house.Which sentence features an introductory phrase that explains why the main action happened? a. Sentence 1b. Sentence 2c. Sentence 3d. Sentence 4 Give two examples of search WILL MARK YOU BRAINLIEST HELP WITH BOTH IF YOU CAN There is a $30 fee to rent a tool from Jeffs Tool Rentals plus $6 per day. If Hector rents a jackhammer for 5 days, what is his total bill? At a birthday party, 8pizzas are ordered. If 12people share the pizzas,how much of a pizza willeach person receive? If an airplane in a 1 in. : 4 ft. scale drawing is 5 in. long, how long is the actual airplane? Use proportions to solve the problem and show all work. Provide a proper label with your answer. Identify the data that is quantitative.total number of grocery storestypes of expenses for a grocery storetypes of products sold in a grocery storestyle of restaurants in a grocery store What technology is Indus valley known for? Pls help The document that contains the fundamental principles of governing for the United States isA Formal Order from the Supreme CourtA Formal Order from the Supreme CourtNone of the aboveNone of the aboveU.S. Declaration of IndependenceU.S. Declaration of IndependenceU.S. Constitution Which is the solution of this system of equations?y=5x-83y=x+18Answers:x=7, y=3 x=4, y=12x=3, y=7 x=0, y=6 What era of Japanese history contributed to making Japan carry out world war 2: A. Feudalism B. Shandong era C. Meiji RestorationD. Heian Era